Alpha B Crystallin Antibody (PrecisionAbTM Antibody) | CPTC16

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Alpha B Crystallin Antibody (PrecisionAb<sup>TM</sup> Antibody) | CPTC16 gallery image 1

Western blot analysis of whole cell lysates probed with alpha B crystallin antibody followed by detection with HRP conjugated Goat anti Mouse IgG (1/10,000, STAR207P) and visualized on the ChemiDoc MP with 26 second exposure. Arrow points to alpha B crystallin (molecular weight 22 kDa)

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  • Alpha B Crystallin Antibody (PrecisionAb<sup>TM</sup> Antibody) | CPTC16 thumbnail image 1
  • Mouse anti Alpha B Crystallin
  • Alpha B Crystallin Antibody with Control Lysate
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  • Product Type
    PrecisionAb™ Monoclonal
  • Isotype
    IgG2a
  • Format
    Purified
    Product CodeApplicationsDatasheetMSDSPack SizeList PriceQuantity
    VMA00548WBdatasheet pdfdatasheet pdf100 µl
    VMA00548
    VMA00548KTWBdatasheet pdfdatasheet pdf datasheet pdf2 Westerns
    VMA00548KT
    Summary
    Secondary Antibodies
    Negative Isotype Controls
    Useful Reagents
    Positive Controls
    Histology Controls
    References
    Reviews
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    • Mouse anti Human alpha B crystallin antibody recognizes the alpha-crystallin B chain, also known as epididymis secretory protein Li 101, heat shock protein beta-5, CRYAB or heat-shock 20 kDa like-protein.

      Crystallins are separated into two classes: taxon-specific, or enzyme, and ubiquitous. The latter class constitutes the major proteins of vertebrate eye lens and maintains the transparency and refractive index of the lens. Since lens central fiber cells lose their nuclei during development, these crystallins are made and then retained throughout life, making them extremely stable proteins. Mammalian lens crystallins are divided into alpha, beta, and gamma families; beta and gamma crystallins are also considered as a superfamily. Alpha and beta families are further divided into acidic and basic groups. Seven protein regions exist in crystallins: four homologous motifs, a connecting peptide, and N- and C-terminal extensions. Alpha crystallins are composed of two gene products: alpha-A and alpha-B, for acidic and basic, respectively. Alpha crystallins can be induced by heat shock and are members of the small heat shock protein (sHSP also known as the HSP20) family. They act as molecular chaperones although they do not renature proteins and release them in the fashion of a true chaperone; instead they hold them in large soluble aggregates. Post-translational modifications decrease the ability to chaperone. These heterogeneous aggregates consist of 30-40 subunits; the alpha-A and alpha-B subunits have a 3:1 ratio, respectively. Two additional functions of alpha crystallins are an autokinase activity and participation in the intracellular architecture. Alpha-A and alpha-B gene products are differentially expressed; alpha-A is preferentially restricted to the lens and alpha-B is expressed widely in many tissues and organs. Elevated expression of alpha-B crystallin occurs in many neurological diseases; a missense mutation cosegregated in a family with a desmin-related myopathy (provided by RefSeq, Jul 2008).

      Mouse anti Human alpha B crystallin antibody detects a band of 22 kDa. The antibody has been extensively validated for western blotting using whole cell lysates.
    • Target Species
      Human
    • Western Blotting
      Anti alpha B crystallin detects a band of approximately 22 kDa in HeLa cell lysates
      Anti alpha B crystallin detects a band of approximately 22 kDa in HeLa cell lysates
    • Species Cross-Reactivity
      Target SpeciesCross Reactivity
      Mouseyes
      Ratyes
      N.B. Antibody reactivity and working conditions may vary between species.
    • Product Form
      Purified IgG - liquid
      Purified IgG - liquid
    • Preparation
      Mouse monoclonal antibody purified by affinity chromatography on Protein G from tissue culture supernatant
      20μl Mouse monoclonal antibody purified by affinity chromatography on Protein G from tissue culture supernatant
    • Buffer Solution
      Phosphate buffered saline
      Phosphate buffered saline
    • Preservative Stabilisers
      0.09% Sodium Azide (NaN3)
      0.09% Sodium Azide (NaN3)
    • Immunogen
      Recombinant protein of human alpha B crystallin
    • Instructions for Use
      Please refer to the PrecisionAb western blotting protocol. For additional information on secondary antibody dilution and exposure time see product web page.
      Please refer to the PrecisionAb western blotting protocol. For additional information on secondary antibody dilution and exposure time see product web page.
    • Lysate Composition
      400μg HeLa lysate lyophilized in RIPA buffer
    • Lysate Reconstitution
      - If using DDT reconstitute the lyophilized lysate with 190μl DI H2O, add 200μl 2x Laemmli Sample Buffer and 10μl 2M DTT.
      - If using BME reconstitute the lyophilized lysate with 180μl DI H2O, add 200μl 2x Laemmli Sample Buffer and 20μl BME.
      Heat at 95°C for 5 minutes. For 10 well mini gels load 25μl. For other gel and comb formats please refer to the PrecisionAb western blotting protocol.
    • Storage
      Store undiluted at -20oC, avoiding repeated freeze thaw cycles.
      Antibody: Store undiluted at -20oC, avoiding repeated freeze thaw cycles.

      Lysate: Store lyophilized lysate at -20°C. After reconstitution aliquot and store at -20°C for up to 3 months or at -80°C for longer term storage.
    • Shelf Life
      As supplied, 12 months from date of despatch.
      As supplied, 12 months from date of despatch.
    • Acknowledgements
      PrecisionAb™ is a trademark of Bio-Rad Laboratories.
      PrecisionAb™ is a trademark of Bio-Rad Laboratories.
    • Regulatory
      For research purposes only
    • GO Terms
      protein folding
      protein homooligomerization
      response to heat
      unfolded protein binding
      anti-apoptosis
      nucleus
      structural constituent of eye lens
      protein homodimerization activity
      muscle contraction
      negative regulation of intracellular transport
    • UniProt
    • Entrez Gene
    • This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
    • Application NameYesNoMin DilutionMax Dilution
      Western Blotting1/1000
    • Application NameYesNoMin DilutionMax Dilution
      Western Blotting1/1000

    • PrecisionAb antibodies have been extensively validated for the western blot application. The antibody has been validated at the suggested dilution. Where this product has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Further optimization may be required dependant on sample type.
    • Copyright © 2017 Bio-Rad Antibodies (formerly AbD Serotec)

    Recommended Secondary Antibody

      DescriptionProduct CodePack SizeApplicationsList PriceQuantity
      Goat anti Mouse IgG (H/L):HRPSTAR207P2 mlWB
      STAR207P
      DescriptionProduct CodePack SizeApplicationsList PriceQuantity
      Goat anti Mouse IgG (H/L):HRPSTAR207P2 mlWB
      STAR207P

      Recommended Negative Isotype Control

        Useful Reagents

          Recommended Positive Controls

            Histology Controls

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